Intersecting Chords Theorem
- Author:
- teo lip seng, DavidA
Slide points A, B, C, D to illustrate the result.
It is important to notice that lengths are always measured to the intersection of
the chords regardless of whether this intersection is inside or outside the circle.
Circle Theorems http://www.geogebratube.org/student/c89/m1462/yryy